20171455887

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 31832156160

約数和(自身を除く): 11660700273

約数列:

[1, 3, 11, 19, 33, 57, 83, 121, 167, 209, 211, 249, 363, 501, 627, 633, 913, 1577, 1837, 2299, 2321, 2739, 3173, 4009, 4731, 5511, 6897, 6963, 9519, 10043, 12027, 13861, 17347, 17513, 20207, 25531, 30129, 34903, 35237, 41583, 44099, 52041, 52539, 60621, 76593, 104709, 105711, 132297, 152471, 190817, 192643, 263359, 332747, 383933, 387607, 457413, 485089, 572451, 577929, 669503, 790077, 998241, 1151799, 1162821, 1455267, 1677181, 2008509, 2119073, 2896949, 2924671, 3660217, 4263677, 5031543, 6357219, 7364533, 8690847, 8774013, 10980651, 12791031, 22093599, 31866439, 32171381, 40262387, 55568749, 81009863, 95599317, 96514143, 120787161, 166706247, 243029589, 353885191, 611256239, 1061655573, 1833768717, 6723818629, 20171455887]

約数ペア:

[(1, 20171455887), (3, 6723818629), (11, 1833768717), (19, 1061655573), (33, 611256239), (57, 353885191), (83, 243029589), (121, 166706247), (167, 120787161), (209, 96514143), (211, 95599317), (249, 81009863), (363, 55568749), (501, 40262387), (627, 32171381), (633, 31866439), (913, 22093599), (1577, 12791031), (1837, 10980651), (2299, 8774013), (2321, 8690847), (2739, 7364533), (3173, 6357219), (4009, 5031543), (4731, 4263677), (5511, 3660217), (6897, 2924671), (6963, 2896949), (9519, 2119073), (10043, 2008509), (12027, 1677181), (13861, 1455267), (17347, 1162821), (17513, 1151799), (20207, 998241), (25531, 790077), (30129, 669503), (34903, 577929), (35237, 572451), (41583, 485089), (44099, 457413), (52041, 387607), (52539, 383933), (60621, 332747), (76593, 263359), (104709, 192643), (105711, 190817), (132297, 152471)]